Exemplos de m6509_take_irq em C++ (Cpp)

Exemplo n.º 1

Arquivo: m6509.c Projeto: Paulodx/sdl-mame-wii

static CPU_EXECUTE( m6509 )
{
	m6509_Regs *cpustate = get_safe_token(device);

	cpustate->icount = cycles;

	do
	{
		UINT8 op;
		PPC = PCD;

		debugger_instruction_hook(device, PCD);

		/* if an irq is pending, take it now */
		if( cpustate->pending_irq )
			m6509_take_irq(cpustate);

		op = RDOP();
		(*cpustate->insn[op])(cpustate);

		/* check if the I flag was just reset (interrupts enabled) */
		if( cpustate->after_cli )
		{
			LOG(("M6509 '%s' after_cli was >0", cpustate->device->tag));
			cpustate->after_cli = 0;
			if (cpustate->irq_state != CLEAR_LINE)
			{
				LOG((": irq line is asserted: set pending IRQ\n"));
				cpustate->pending_irq = 1;
			}
			else
			{
				LOG((": irq line is clear\n"));
			}
		}
		else
		if( cpustate->pending_irq )
			m6509_take_irq(cpustate);

	} while (cpustate->icount > 0);

	return cycles - cpustate->icount;
}

Exemplo n.º 2

Arquivo: m6509.c Projeto: BirchJD/xmame-0.103-RPi

static int m6509_execute(int cycles)
{
	m6509_ICount = cycles;

	change_pc(PCD);

	do
	{
		UINT8 op;
		PPC = PCD;

		CALL_MAME_DEBUG;

		/* if an irq is pending, take it now */
		if( m6509.pending_irq )
			m6509_take_irq();

		op = RDOP();
		(*m6509.insn[op])();

		/* check if the I flag was just reset (interrupts enabled) */
		if( m6509.after_cli )
		{
			LOG(("M6509#%d after_cli was >0", cpu_getactivecpu()));
			m6509.after_cli = 0;
			if (m6509.irq_state != CLEAR_LINE)
			{
				LOG((": irq line is asserted: set pending IRQ\n"));
				m6509.pending_irq = 1;
			}
			else
			{
				LOG((": irq line is clear\n"));
			}
		}
		else
		if( m6509.pending_irq )
			m6509_take_irq();

	} while (m6509_ICount > 0);

	return cycles - m6509_ICount;
}